51360520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12713}}^1$

素因数の和:12825

約数の個数: 32

約数和(自身を含む): 116714520

約数和(自身を除く): 65354000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 12713, 25426, 50852, 63565, 101704, 127130, 254260, 508520, 1284013, 2568026, 5136052, 6420065, 10272104, 12840130, 25680260, 51360520]

約数ペア:

[(1, 51360520), (2, 25680260), (4, 12840130), (5, 10272104), (8, 6420065), (10, 5136052), (20, 2568026), (40, 1284013), (101, 508520), (202, 254260), (404, 127130), (505, 101704), (808, 63565), (1010, 50852), (2020, 25426), (4040, 12713)]